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55255943 is a prime number
BaseRepresentation
bin1101001011001…
…0001110000111
310211222021220102
43102302032013
5103121142233
65252154315
71240445021
oct322621607
9124867812
1055255943
1129210676
121660899b
13b5a8832
1474a5011
154cb71e8
hex34b2387

55255943 has 2 divisors, whose sum is σ = 55255944. Its totient is φ = 55255942.

The previous prime is 55255927. The next prime is 55255961. The reversal of 55255943 is 34955255.

55255943 is nontrivially palindromic in base 4.

55255943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55255943 - 24 = 55255927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55255897 and 55255906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55255243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27627971 + 27627972.

It is an arithmetic number, because the mean of its divisors is an integer number (27627972).

Almost surely, 255255943 is an apocalyptic number.

55255943 is a deficient number, since it is larger than the sum of its proper divisors (1).

55255943 is an equidigital number, since it uses as much as digits as its factorization.

55255943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 135000, while the sum is 38.

The square root of 55255943 is about 7433.4341323509. The cubic root of 55255943 is about 380.8842358573.

The spelling of 55255943 in words is "fifty-five million, two hundred fifty-five thousand, nine hundred forty-three".